PVC Steel Spring Reinforced Clear Vacuum Hose, 2.5 inch ID (Sold by the Foot). Maximum Length is 50 ft. This 2.5 inch clear PVC vacuum hose is steel wire reinforced with a temp range from 20 to 150F. Resistant to chemicals, non-marking, non-toxic, silicone-free, is flexible and developed for mechanical vacuum pumps. Fastens with hose clamps and stainless steel PVC adapters. All vacuum hose is sold by the foot. If you purchase a quantity 1 then you will only be shipped a single, 1 foot section of the hose selected. The same rule would apply for larger quantities. I.E., Quantity 8 = one - 8 foot section. If you wish to purchase 16 feet of hose and have it cut into 8 foot sections then you would purchase quantity 8 as two separate line items in your shopping cart. PVC Steel Reinforced Spring Vacuum Hose 2.5 inch (Sold by the Foot).Common Dimensions:Hose Size ID: A= 2.5 inch (63mm)Hose Size OD: B= 3.15 inch (80mm)Vacuum Rating: 1 mTorr (29.9 inHG)Temperature Range: 20-150 °F